Hydraulic pump



FIG. 1 is a front view of a hydraulic pump according to the claimed design.

FIG. 2 is a rear view of the hydraulic pump.

FIG. 3 is a right side view of the hydraulic pump.

FIG. 4 is a bottom view of the hydraulic pump.

FIG. 5 is a left side view of the hydraulic pump.

FIG. 6 is a top view of the hydraulic pump; and,

FIG. 7 is a front-left perspective view of the hydraulic pump. 

CLAIM The ornamental design for a hydraulic pump, as shown and described. 